Bushman's River Cycad

Encephalartos trispinosus(Hook.) R.A.Dyer

Plante

VULR Monde (IUCN)

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Filtrer le graphe par contexte spatialPays · région · aire protégée · écorégion · biome

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Calcul du tissu écologique de Encephalartos trispinosus.

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Liste rouge IUCN

VU · Vulnérablecritères A2acd+4acd; B1ab(iii,v)+2ab(iii,v)↘Décroissante

Évaluation complète

Évaluation: 2022 · v3.1
Altitude: 100 – 600 m
Profondeur: – m

État de la populationTexte officiel évaluation IUCNExpert

This is a very difficult species to assess as it is low growing and often occurs in dense thickets of spiny vegetation. Surveyed subpopulations consisted of between 300 and 400 mature individuals, but many plants may have been overlooked.

Menaces identifiées(2 menaces classées CMP-IUCN)

2_1_3
Agro-industry farming
Slow, Significant DeclinesMinority (<50%)Ongoing
5_2_1
Intentional use (species is the target)
Slow, Significant DeclinesMajority (50-90%)Ongoing

Description complète des menacesTexte détaillé évaluation IUCNExpert

Encephalartos trispinosus is threatened by illegal collection of wild specimens from their habitat. Subpopulations have also been affected due to habitat transformation for agricultural purposes.

Habitats préférentiels (classification IUCN)

3_5Shrubland - Subtropical/Tropical Dry
6Rocky areas (eg. inland cliffs, mountain peaks)

Mesures de conservation recommandéesStratégies de conservation IUCNExpert

This species is listed in Appendix I of the CITES Appendices. Subpopulations are protected in the Great Fish River Reserve Complex, the Kap River Nature Reserve and the Water's Meeting Nature Reserve, and other subpopulations also occur on private nature reserves. An education and awareness programme as well as the long-term monitoring of subpopulations will support the conservation of this species.

Actions de conservation (2)Conservation Actions Classification Scheme — IUCNExpert

1_2Resource & habitat protection
4_3Awareness & communications

Stress écologiques (3)Stresses Classification — IUCNExpert

1_1Ecosystem conversion
2_1Species mortality
2_1Species mortality

Usage & commerce (2)Use & Trade — IUCNExpert

13Pets/display animals, horticulture
internationalnational
16Establishing ex-situ production *
national

Priorités de recherche (3)Research Needed Classification — IUCNExpert

1_2Population size, distribution & trends
1_3Life history & ecology
3_1Population trends

Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert

Royaumes biogéographiques

Afrotropical

Systèmes (terrestre/eau douce/marin)

Terrestrial

Formes de croissance

CycadShrub - small

Références bibliographiques (5)Sources scientifiques de l'évaluation IUCNExpert

IUCN. 2023. The IUCN Red List of Threatened Species. Version 2023-1. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 07 December 2023).
IUCN. 2022. The IUCN Red List of Threatened Species. Version 2022-1. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 21 July 2022).
Grobbelaar, N. 2002. CYCADS - with special reference to the southern African species. Privately published by Nat Grobbelaar, Pretoria, South Africa.
Donaldson, J.S. 1995. Understanding cycad life histories- an essential basis for conservation. In: Donaldson, J.S. (ed.), Cycad Conservation in South Africa- Issues, actions and priorities, pp. 8-13. Cycad Society of South Africa.
Kemp, M. 1993. Focus on Encephalartos trispinosus. Encephalartos 33: 4-12.

Évaluateurs & contributeurs (3)Personnes ayant contribué à l'évaluation IUCNExpert

assessor

Bösenberg, J.D.

contributor

Donaldson, J.S.

evaluator

Donaldson, J.S.

⚠ 1 erratum publié après l'évaluation.

Bösenberg, J.D. 2022. Encephalartos trispinosus (errata version published in 2023). The IUCN Red List of Threatened Species 2022: e.T41926A243433150. Accessed on 05 May 2026.